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How to obtain a patent and what to invent (1915)

Waters, John Louis, & company, Washington, D.C. [from old catalog] · Washington, D.C., J. L. Waters & co. · leaf 30

An illustration from How to obtain a patent and what to invent, 1915, leaf 30
SELDEN PATENT 1915 … MODERN AUTO WHAT INVENTION HAS DONE FOR THE AUTOMOBILE The two reproductions on this page show the wonderful development of the automobilesince the year of 1896. The drawing on the upper half of the page is reproduced fromthe Selden patent, which was the beginning of the development of the…

Patents

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